Delhi air improves from ‘very poor’ to poor’ category
The Central Pollution Control Board (CPCB) said that the air quality had improved to 'poor' category from the 'very poor' category With a slight improvement in the AQI.
The Central Pollution Control Board (CPCB) said that the air quality had improved to 'poor' category from the 'very poor' category With a slight improvement in the AQI.
